101244135 has 16 divisors (see below), whose sum is σ = 162422784. Its totient is φ = 53852832.

The previous prime is 101244127. The next prime is 101244139. The reversal of 101244135 is 531442101.

It is not a de Polignac number, because 101244135 - 2³ = 101244127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101244139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3067 + ... + 14556.

It is an arithmetic number, because the mean of its divisors is an integer number (10151424).

Almost surely, 2^101244135 is an apocalyptic number.

101244135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101244135 is a deficient number, since it is larger than the sum of its proper divisors (61178649).

101244135 is a wasteful number, since it uses less digits than its factorization.

101244135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18014.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 101244135 is about 10062.0144603355. The cubic root of 101244135 is about 466.0758762533.

Adding to 101244135 its reverse (531442101), we get a palindrome (632686236).

The spelling of 101244135 in words is "one hundred one million, two hundred forty-four thousand, one hundred thirty-five".